产品简介：高聚合度结晶Ⅱ型聚磷酸铵，分子式为(NH4)n+2PnO3n+1，为水不溶性无分支直链聚合物,显微镜下呈六方柱型，产品属含磷无机阻燃添加剂系列的重要分支。产品P和N含量高，热稳定性和化学稳定性能好，水溶性和吸潮性小，产品接近中性，毒性低(LD≥10g/kg)。应用过程中具有不挥发性，不产生腐蚀性气体，效果持久，安全性能好等优点。Ammonium polyphosphate, its molecular formula is ((NH4)n+2PnO3n+1, has high polymerization degree and belongs to crystal phase II, It is water insoluble straight-line polymer. The product has high content of phosphorus and nitrogen, strong heated stability and chemical stability, low water solubility and humility, nearly neutral Ph value.

产品外观Product appearance：白色流动性粉末（标准蓝光白度≥94，平均粒径10um-55um）。White free-flowing powder (reflectance of color ≥94, average particle size;10-55um).

产品应用Application：-膨胀型防火涂料Expanding fire-refractory coating；-防火建筑板材卷材Fire-refractory building board, coiled material;；-热塑料聚烯烃和不饱和芳香烃塑料Thermal plasticity polyolefin and unsaturated arene plastic；-聚氨酯泡沫polyurethane foam；-环氧树脂和不饱和树脂Epoxy resin and unsaturated resin；-电缆和橡胶Cable and rubber;；-电子元器件塑材Plastic material of electron device；-纤维织物Fiber fabric。